powerpc/fadump: register kernel metadata address with opal

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OPAL allows registering address with it in the first kernel and
retrieving it after MPIPL. Setup kernel metadata and register its
address with OPAL to use it for processing the crash dump.

Signed-off-by: Hari Bathini <hbathini@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/156821345011.5656.13567765019032928471.stgit@hbathini.in.ibm.com

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Hari Bathini 2019-09-11 20:20:57 +05:30 • committed by Michael Ellerman

parent 6abec12c65

commit 742a265acc

4 changed files with 146 additions and 4 deletions

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4

arch/powerpc/include/asm/fadump-internal.h

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23

arch/powerpc/kernel/fadump.c

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84

arch/powerpc/platforms/powernv/opal-fadump.c

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39

arch/powerpc/platforms/powernv/opal-fadump.h

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